Google Chromium V8 Out-of-Bounds Write Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-06-08
• EPSS: 56% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

Out of bounds write in JavaScript in Google Chrome prior to 73.0.3683.86 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CISA: Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 22 Jun 2022): Apply updates per vendor instructions.

• Patch on crbug.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• packetstormsecurity.com/files/156641/Google-Chrome-72-73-Array.map-Corruption.htmlExploitThird Party AdvisoryVDB Entry
• chromereleases.googleblog.com/2019/04/stable-channel-update-for-desktop_30.htmlRelease NotesVendor Advisory
• crbug.com/941743ExploitPatchThird Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource